MỤC LỤC
Started Unit
Unit 1. Then and now
Unit 2. Lifestyles
Progress review 1
Unit 3. Our surroundings
Unit 4. Feelings
Pregress review 2
Unit 5. English and world discovery
Unit 6. The self
Pregress review 3
Unit 7. On the streets
Unit 8. Scary
Pregress review 4
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